Is wb13k21 profitable to sell on Amazon United States?

The niche generates $177K/yr across 14 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -6.7%. Flapen's verdict: Worth a look (52/100).

How competitive is the wb13k21 niche?

12 brands and 24 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 73% of demand.

What do buyers complain about in wb13k21?

Top complaints mined from reviews: Durability, Quality-Overall, Defective Material/Parts. The return rate is 3.9%.

When does demand for wb13k21 peak?

Demand peaks in Jan–Feb–Dec; the busiest month runs 2.4× the quietest.

What does it cost to enter the wb13k21 niche?

Listings span $15.00–$28.41; the average listing price is $21.15 (sweet spot $15–$100). The average incumbent carries 543 reviews — the moat a new listing must climb.

wb13k21

Worth a look

Shows searches that convert (13.5% search→purchase), but soft demand (-6.7% this quarter) keeps it on the watch list.

Conversion

Incredible13.5%

search→purchase rate — share of searches ending in a sale

Price range

Incredible$15.00–$28.41

cheapest to priciest tracked listing — scored on the share inside $15–$100

Avg price

Great$21.15

avg listing price — sweet spot $15–$100

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good542.86

avg incumbent reviews — the moat a new listing must climb

Brand share

Good73%

top-5 brand share — brands hold most of the demand

Returns

Okay3.9%

return rate — above 5% kills the launch gate

Market size

Okay$177K

$177K/yr · 62K searches

Competition

Bad70%

top-5 click share — a locked-up shelf

Growth

Bad-6.7%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United States niche tracking, wb13k21 is a $177K/yr Amazon United States market (62K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Jan–Feb–Dec. Verdict: Worth a look — 52/100.

Data updated Jul 6, 2026 · scored weekly · How we score niches

wb13k21 market data

Units sold / yr: 8K–10K; avg 500–750/product
Revenue / yr: $169K–$212K; units × avg price
Conversion rate: 13.5%
Avg BSR: #223
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 38 months
Avg seller age: 146 days

Competition & brand share

The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.

Brands

12 falling

Sellers

Top-5 brand share

73%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

18%

Improvedhand21%
GE21%
CSZKJXPA13%
YFLWGFDA10%
Funmit9%
APPLIANCEMATES9%
Open — no brand owns it (6 brands, 18%)

Demand & seasonality

Weekly Amazon search volume, last 109 weeks — -6.7% search growth over the last 90 days.

Peak months: Jan, Feb, Dec · busiest ÷ quietest = 2.4×

Open Trend

Top wb13k21 search terms

wb13k2116K/yr +8.2%17.1% conv.
wb13k21 oven igniter10K/yr -6.5%18.8% conv.
ge oven igniter replacement7K/yr +17.6%7.8% conv.
ge oven igniter10K/yr -12.6%8.0% conv.
ge gas oven igniter replacement7K/yr -36.1%6.4% conv.
hotpoint oven igniter4K/yr +0.6%7.1% conv.
ge gas oven igniter4K/yr -29.7%6.6% conv.
ge igniter for gas oven3K/yr -48.2%9.5% conv.

All search terms

Top wb13k21 products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 14 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

WB13K21 Oven Igniter Replacement for G-E Sam-sung Hot-point Ken-more Gas Range Oven Replaces 5303935066 IG9998 WB13T10045 WB13K10026 Norton 501a dg94 00520a Universal Model By Improvedhand

Improvedhand$20.924.2★704 rev

GE Appliances WB13K21 Genuine OEM Burner Igniter for Ranges

GE$25.254.2★1,404 rev

WB13K21 Oven Igniter for Gas Stove Oven Igniter for G-E Frigid-aire Hotp-oint Kenm-ore Sams-ung Gas Oven Igniter 5303935066 WB13K0021 WB13T10045 WB13K10026 Replace DG94-00520A Norton 501a AP2020569.

CSZKJXPA$19.074.3★323 rev

WB13K21 5303935066 WB13T10045 Gas Range Oven Igniter Replacement for GE Kenmore Hotpoint Samsung Gas Oven Igniter Replaces WB2X9998 IG9998 WB13K10026 Norton 501a by APPLIANCEMATES

APPLIANCEMATES$21.564.0★165 rev

WB13K21 Gas Range Oven Igniter Oven Igniter for G-E Frigi-daire Hot-point Ken-more Sam-sung Gas Oven Igniter 5303935066 WB13K0021 WB13K10026 WB13T10045 Replace DG94-00520A Norton 501a AP2020569 Etc.

YFLWGFDA$19.124.4★91 rev

Newest

by launch date

Siziviki Upgraded WB13K21 Oven Igniter Replacement Premium Universal Fit for G-E Frigi-daire Sam-sung Hot-point Ken-more Gas Stoves & Ranges Replaces DG94-00520A 5303935066 Norton 501A

Siziviki$15.003 rev

3mo ago

WB2X9154 WB13K10027 Gas Range Oven Igniter for G-E XL44 Oven Igniter Replacement Round for G-E Gas Oven Igniter WB13K3 WB13K4 PS243425 4342528 AP2014008 GR403 Etc 120V Model Specific.

YFLWGFDA$28.4166 rev

9mo ago

WB13K21 Gas Range Oven Igniter Oven Igniter for G-E Frigi-daire Hot-point Ken-more Sam-sung Gas Oven Igniter 5303935066 WB13K0021 WB13K10026 WB13T10045 Replace DG94-00520A Norton 501a AP2020569 Etc.

YFLWGFDA$19.1291 rev

11mo ago

onlyfire WB13K21 Oven Igniter Gas Range Oven Stove Igniter Replacement

onlyfire$19.5057 rev

1y ago

WB13K21 Oven Igniter for Gas Stove Oven Igniter for G-E Frigid-aire Hotp-oint Kenm-ore Sams-ung Gas Oven Igniter 5303935066 WB13K0021 WB13T10045 WB13K10026 Replace DG94-00520A Norton 501a AP2020569.

CSZKJXPA$19.07323 rev

1y ago

What buyers say about wb13k21

What buyers praise and complain about, mined from review topics.

What buyers love

Value For Money19%

“Good Price”

Size-Overall16%

“Fits perfectly”

Advertised Vs Actual Product16%

“Works as advertised”

Baking9%

“This Igniter Brought a Great Change to my Baking”

Quality-Overall7%

“Good product just as described”

Ease Of Use5%

“Wicked easy”

Maintenance And Repair5%

“Essential accessories for daily maintenance”

Durability3%

“this is solid strong and doesnt break”

Heating3%

“supplies a more even temperature in the oven”

Functionality-Overall3%

“It works”

What buyers complain about

Durability51%

“Did not last”

Quality-Overall8%

“Poor quality”

Defective Material/Parts7%

“Wrong part”

Heating4%

“Our Samsung gas oven was taking forever to get up to temperature due to the gas only running for a few seconds at a time then going out”

Value For Money4%

“Will spend a couple more dollars”

Size-Overall4%

“Not even a close fit”

Advertised Vs Actual Product3%

“Not as Described”

Baking3%

“requiring me to restart the oven manually”

Assembly/Installation2%

“Broke during install”

Product Condition2%

“Product looked to be used”

Top return reasons

Defective Material/Parts31%

Size-Overall16%

Compatibility-Overall14%

Functionality-Overall13%

Advertised Vs Actual Product5%

Connectivity-Overall3%